Item Feature :
- Standard : DS2
- Particle Collection Efficiency (%) : 95.0 or more
- Usage Duration : 15
- Weight (g) : 21 or less
- Inhalation Resistance (Pa) : 55 or less
- National Certification Acceptance Number : No. TM462
- Exhaust Resistance (Pa) : 40 or less
- Type : Two string expressions